Please answer separately
Factorise
1)27y³+12a²b+6ab²
2)49a²+4b²+9c²-28ab+12bc-42ac
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hi all
in Q 1 27 y^3 is wrong
in Q 2,
(7a)^2 + (2b)^2 + (3c)^2 - 2 (7a)(2b) + 2 (2b)(3c) - 2 (7a)(3c)
this is nothing but (-a+b+c)^2
☆(-7a+2b+3c)^2
hope it helps
mark as brainliest
in Q 1 27 y^3 is wrong
in Q 2,
(7a)^2 + (2b)^2 + (3c)^2 - 2 (7a)(2b) + 2 (2b)(3c) - 2 (7a)(3c)
this is nothing but (-a+b+c)^2
☆(-7a+2b+3c)^2
hope it helps
mark as brainliest
Anonymous:
what
Answered by
1
here is your answer...
srry I can't understand the first one
srry I can't understand the first one
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